Application - ABB REX 521 Technical Reference Manual, Standard Configurations

1MRS 751802-MUM
3.3.6.2.
Protection Relay
Technical Reference Manual, Standard Configurations

Application

The H06 standard configuration for the REX 521 is designed to be used in single
busbar systems using one circuit breaker for selective non-directional short-circuit
protection, non-directional time-overcurrent protection, overvoltage protection,
undervoltage protection, residual overvoltage protection, underfrequency protection
and overfrequency protection.
For more detailed information about the standard configuration please refer to the
application example of the standard configuration H06 on page 194.
REX 521
51